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                Eclipse
              
            
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        <p><strong>说明：</strong>Eclipse也是常用的Java集成开发环境软件，也支持Python等拓展。<br><a id="more"></a></p>
<h3 id="简介"><a href="#简介" class="headerlink" title="简介"></a>简介</h3><ul>
<li>Eclipse是IBM发起的，后成立软件联盟eclipse联盟，迁到eclipse开源社区。有支持java，c++，php等语言的版本，拓展性好，开源免费。</li>
<li>从2006年起，Eclipse基金会每年都会安排同步发布（simultaneous release）。同步发布主要在6月进行，并且会在接下来的9月及2月释放SR1及SR2版本。</li>
<li>2014年及之后的版本分别代号Luna、Mars、Neon等。</li>
</ul>
<h3 id="快捷键"><a href="#快捷键" class="headerlink" title="快捷键"></a>快捷键</h3><table>
<thead>
<tr>
<th style="text-align:center">快捷键</th>
<th style="text-align:center">功能</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">Ctrl +shift +L</td>
<td style="text-align:center">查看所有快捷键</td>
</tr>
<tr>
<td style="text-align:center">Ctrl h</td>
<td style="text-align:center">模糊查找文件</td>
</tr>
<tr>
<td style="text-align:center">ctrl shift h</td>
<td style="text-align:center">查找类</td>
</tr>
<tr>
<td style="text-align:center">Ctrl shift r</td>
<td style="text-align:center">查找文件</td>
</tr>
<tr>
<td style="text-align:center">Ctrl f</td>
<td style="text-align:center">查找字符串</td>
</tr>
<tr>
<td style="text-align:center">ctrl shift G</td>
<td style="text-align:center">查找被引用</td>
</tr>
<tr>
<td style="text-align:center">Ctrl G</td>
<td style="text-align:center">查看声明</td>
</tr>
<tr>
<td style="text-align:center">Ctrl shift enter</td>
<td style="text-align:center">上方插入一行</td>
</tr>
<tr>
<td style="text-align:center">ctrl 1</td>
<td style="text-align:center">快速fix</td>
</tr>
<tr>
<td style="text-align:center">alt .</td>
<td style="text-align:center">智能提示</td>
</tr>
<tr>
<td style="text-align:center">F11</td>
<td style="text-align:center">运行（run）</td>
</tr>
<tr>
<td style="text-align:center">ctrl F11</td>
<td style="text-align:center">重新运行</td>
</tr>
</tbody>
</table>
<h3 id="导入导出项目"><a href="#导入导出项目" class="headerlink" title="导入导出项目"></a>导入导出项目</h3><ul>
<li>使用import/export将项目代码进行导入导出</li>
<li>如将web项目导出为web的war文件。</li>
</ul>
<h3 id="修改自动补全"><a href="#修改自动补全" class="headerlink" title="修改自动补全"></a>修改自动补全</h3><h4 id="设置所有字符都进行智能提示"><a href="#设置所有字符都进行智能提示" class="headerlink" title="设置所有字符都进行智能提示"></a>设置所有字符都进行智能提示</h4><ul>
<li>默认只有.才能触发智能补全提示，可以如下设置让所有字符都进行提示<ol>
<li>“window”→“Preferences”</li>
<li>选择“java”，展开，“Editor”，选择“Content Assist”。</li>
<li>选择“Content Assist”，然后看到右边，右边的“Auto-Activation”下面的“Auto Activation triggers for java”这个选项。其实就是指触发代码提示的就是“.”这个符号。</li>
<li>“Auto Activation triggers for java”这个选项，在“.”后加abcdefghijklmnopqrstuvwxyz字母，方便后面的查找修改。然后“apply”，点击“OK”。</li>
</ol>
</li>
</ul>
<h4 id="取消空格、-补全，设置tab选取"><a href="#取消空格、-补全，设置tab选取" class="headerlink" title="取消空格、=补全，设置tab选取"></a>取消空格、=补全，设置tab选取</h4><ul>
<li>默认情况下空格=会选取智能提示的第一项，这是不方便的，尤其是提示状况下输入空格也许只是想输入空格。方法是修改插件源码。<ol>
<li>首先，打开Eclipse，打开window-&gt;show view，选择Plug-ins，再找到org.eclipse.jface.text，右键单击，选择importas &gt; Source Project，导入完成后，在你的workspace就可以看到这个project了。</li>
<li>如果看到的工程中没有src目录，而是对应的jar包，说明没有导入插件源码。解决方法：要么换一个eclipse如Eclipse RCP版本，要么使用下面这种方式。</li>
<li>在1中右键的时候选择import as&gt;Project from a Repository，选择finish，等待下载完成即可。这种方式就是从远程仓库中下载插件源码。</li>
<li>现在可以修改src中源码了。在org.eclipse.jface.text.contentassist.CompletionProposalPopup#verifyKey()方法中，进行如下修改两处。<ol>
<li>第一处：if (contains(triggers, key)) { if (key!=0x20 &amp;&amp; key!=’=’ &amp;&amp; key!=’;’ &amp;&amp; contains(triggers, key)) {  /<em>*取消空格、=、；的自动选取</em>/</li>
<li>第二处：case ‘/t’: e.doit= false; fProposalShell.setFocus(); /<em>*将fP…setFocus()这一句换为insertSelectedProposalWithMask(e.stateMask);实现/t （tab键）选取内容</em>/ return false;</li>
</ol>
</li>
<li>保存，将工程export为Deployable plugins and fragments，可以存到桌面，将里面的jar文件替换eclipse中plugins的旧jar。</li>
</ol>
</li>
</ul>
<h3 id="软件preference与项目propertie设置"><a href="#软件preference与项目propertie设置" class="headerlink" title="软件preference与项目propertie设置"></a>软件preference与项目propertie设置</h3><hr>
<ul>
<li>Window -&gt;preference 是对当前整个工作空间的设置，类似全局设置；</li>
<li>项目右键的properties是对当前项目的设置，类似局部设置；</li>
</ul>
<h4 id="修改文件validation配置"><a href="#修改文件validation配置" class="headerlink" title="修改文件validation配置"></a>修改文件validation配置</h4><ul>
<li>取消校验的方法<ul>
<li>整个工作空间中取消校验：Window -&gt;preference -&gt; validation，勾选设置。</li>
<li>当前项目取消校验，不过要允许使用项目设置</li>
</ul>
</li>
</ul>
<h4 id="Java设置"><a href="#Java设置" class="headerlink" title="Java设置"></a>Java设置</h4><ul>
<li>Window -&gt;preference -&gt;Java -&gt;installed jre中添加本地jdk版本（eclipse运行在jre上，而非jdk，默认自带jre）；</li>
<li>Java -&gt;compiler中设置编译时默认使用的jdk版本；</li>
</ul>
<h4 id="项目propertie设置"><a href="#项目propertie设置" class="headerlink" title="项目propertie设置"></a>项目propertie设置</h4><ul>
<li>Project facets 中设置java版本（列出了所有服务的版本，以方便修改）。</li>
<li>添加jar文件夹<ul>
<li>在项目设置中，Libraries-&gt;Add Library-&gt;User Library，添加一个lib名称，再对其Add JARs 添加文件夹下的所有jar包即可。这种方式对比直接将jar包右键添加到path的好处在于可以有一级目录，不会直接显示一堆jar包列表。</li>
</ul>
</li>
</ul>
<h3 id="Eclipse插件管理"><a href="#Eclipse插件管理" class="headerlink" title="Eclipse插件管理"></a>Eclipse插件管理</h3><ul>
<li>Help —&gt;Eclipse Marketplace。</li>
<li>在查找插件界面的最后有链接，打开后为插件浏览界面。</li>
<li>可以安装m2e，runjettyrun等等插件，或者按功能搜索、下载排行、下载推荐等安装。安装方法是将install标志拖到当前项目空间中，或者使用下载插件压缩包再本地安装的方式。Eclipse和MyEclipse都有一些插件支持hibernate、mybatis、struts等架构的开发。</li>
<li>在installed中查看已安装插件，并可以进行更改或卸载插件。</li>
</ul>
<h3 id="问题与解决"><a href="#问题与解决" class="headerlink" title="问题与解决"></a>问题与解决</h3><hr>
<h4 id="Project-facet-Dynamic-Web-Module-to-2-5"><a href="#Project-facet-Dynamic-Web-Module-to-2-5" class="headerlink" title="Project facet Dynamic Web Module to 2.5"></a>Project facet Dynamic Web Module to 2.5</h4><ul>
<li>问题描述：无法将网站项目改成2.5</li>
<li>解决方法：可以修改项目文件夹中.setting中的文件：org.eclipse.wst.common.project.facet.core，将网站版本改为2.5，重启项目。</li>
</ul>
<h4 id="utf-8解决乱码"><a href="#utf-8解决乱码" class="headerlink" title="utf-8解决乱码"></a>utf-8解决乱码</h4><ul>
<li>解决办法1：修改工作空间的编码格式：Window-&gt;Preferences-&gt;General-&gt;Workspace-&gt;Text file Encoding</li>
<li>解决办法2：修改一类文件的编码格式：Window–&gt;Preferences–&gt;General–&gt;Content Types–&gt;把需要的文件类型指定编码如GBK</li>
</ul>
<h4 id="添加xml自动补全"><a href="#添加xml自动补全" class="headerlink" title="添加xml自动补全"></a>添加xml自动补全</h4><ul>
<li>参考资料：<a href="http://jingyan.baidu.com/article/95c9d20db53e29ec4e7561d8.html" target="_blank" rel="external">给Eclipse中hibernate.cfg.xml配置文件加提示</a></li>
<li>打开windows—preference—xml—catalog—add(user specified..)，location选择对应的dtd样式文件(从jar包中找)，key type选URI，key填dtd文件的http地址。重启xml即可。注意dtd文件应该放在不被删除的地方，如放在eclipse程序文件下。</li>
</ul>
<h4 id="项目运行未找到application-xml"><a href="#项目运行未找到application-xml" class="headerlink" title="项目运行未找到application.xml"></a>项目运行未找到application.xml</h4><ul>
<li>问题描述：将application.xml放在src目录下，配置`<context-param>的contextConfigLocation为classpath:applicationContext.xml，但是运行提示找不到该xml。</context-param></li>
<li>可能原因：该xml未被加入build path中。</li>
<li>解决方法：设置项目properties的java build path，在source中添加src目录，并确认included是All（删除其约束条件就是All）。</li>
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              <div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-3"><a class="nav-link" href="#简介"><span class="nav-number">1.</span> <span class="nav-text">简介</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#快捷键"><span class="nav-number">2.</span> <span class="nav-text">快捷键</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#导入导出项目"><span class="nav-number">3.</span> <span class="nav-text">导入导出项目</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#修改自动补全"><span class="nav-number">4.</span> <span class="nav-text">修改自动补全</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#设置所有字符都进行智能提示"><span class="nav-number">4.1.</span> <span class="nav-text">设置所有字符都进行智能提示</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#取消空格、-补全，设置tab选取"><span class="nav-number">4.2.</span> <span class="nav-text">取消空格、=补全，设置tab选取</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#软件preference与项目propertie设置"><span class="nav-number">5.</span> <span class="nav-text">软件preference与项目propertie设置</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#修改文件validation配置"><span class="nav-number">5.1.</span> <span class="nav-text">修改文件validation配置</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#Java设置"><span class="nav-number">5.2.</span> <span class="nav-text">Java设置</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#项目propertie设置"><span class="nav-number">5.3.</span> <span class="nav-text">项目propertie设置</span></a></li></ol></li><li class="nav-item nav-level-3"><a class="nav-link" href="#Eclipse插件管理"><span class="nav-number">6.</span> <span class="nav-text">Eclipse插件管理</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#问题与解决"><span class="nav-number">7.</span> <span class="nav-text">问题与解决</span></a><ol class="nav-child"><li class="nav-item nav-level-4"><a class="nav-link" href="#Project-facet-Dynamic-Web-Module-to-2-5"><span class="nav-number">7.1.</span> <span class="nav-text">Project facet Dynamic Web Module to 2.5</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#utf-8解决乱码"><span class="nav-number">7.2.</span> <span class="nav-text">utf-8解决乱码</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#添加xml自动补全"><span class="nav-number">7.3.</span> <span class="nav-text">添加xml自动补全</span></a></li><li class="nav-item nav-level-4"><a class="nav-link" href="#项目运行未找到application-xml"><span class="nav-number">7.4.</span> <span class="nav-text">项目运行未找到application.xml</span></a></li></ol></li></ol></div>
            
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